The backstage is normally just for people in/part of the show and for people who know people in the production. I think writing a note to Mrs. Peters would sound kinda stalkerish....so i wouldn't adivise doing that. There is probably some insureance thing with it too....because of all the sets and lighting.
"Chicago is it's own incredible theater town right there smack down in the middle of the heartland. What a great city! I can see why Oprah likes to live there!" - Dee Hoty :-D